This showed up on corner-case testing:
https://github.com/weidai11/cryptopp/issues/584 . Though the machine is
64-bit Aarch64, the -mabi=ilp32 switches to an ILP32 data model. Its is
similar to X32 on x86_64, where the machine is 64-bit but the data model is
ILP32.
Testing a hello world program on the Aarch64 machine under the data model
fails to link:
$ cat test.cxx
#include <stdint.h>
#include <iostream>
#include <iomanip>
int main(int argc, char* argv[])
{
uint64_t x = __SIZE_MAX__;
std::cout << std::hex << x << std::endl;
return 0;
}
And:
$ g++ -mabi=ilp32 test.cxx -o test.exe
/usr/bin/ld: skipping incompatible
/usr/lib/gcc/aarch64-linux-gnu/4.9/libstdc++.so when searching for -lstdc++
/usr/bin/ld: skipping incompatible
/usr/lib/gcc/aarch64-linux-gnu/4.9/libstdc++.a when searching for -lstdc++
/usr/bin/ld: cannot find -lstdc++
...
So I am not sure how much of a problem it is going to be in practice.
Does anyone have a preference on clearing the warning at
https://github.com/weidai11/cryptopp/issues/584 ?
Jeff
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